Allow yield to logger methods & bail early on no-op messages
#6315
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Standard loggers in Ruby mostly `yield` their messages (this is the default behavior of Ruby's own logger.) Or if there is a block then the message is the topic, a colon is automatically added, and the message is shipped with the topic. Jekyll should conform to this behavior so that it's logger can be passed to libraries that expect this standard behavior.
```ruby
[1] pry(main)> Jekyll.logger.info("Just so you know") # => Just so you know
[2] pry(main)> Jekyll.logger.info("Just so you know", "this is a message") # => Just so you know this is a message
[3] pry(main)> Jekyll.logger.info("Just so you know") { "this is a message" }
# => Just so you know: this is a message
```
Signed-off-by: Parker Moore <parkrmoore@gmail.com>
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DirtyF
approved these changes
Aug 18, 2017
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Maybe @envygeeks wants to do a proper benchmark to see how this affect its build performance? With Jekyll's Before: real 2m24.422s
user 1m56.664s
sys 0m11.537sAfter: |
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Whoa, who knew logging could be so expensive! I just remembered that we can push this even further by setting the log level to On my MBP: |
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@jekyllbot: merge +minor |
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This subsumes #6306 and fixes the bugs with that PR.
It also bails early for
debug,info,warn, anderrorif the logger's log level is higher than the message's log level. In this case the logging writer will skip it, so it's best to skip it here. It reduces the number of strings we create and greatly reduces the size of themessagesarray. This fixes #6313.